Is there a way to add Text-to-speech to a call?

Alright after doing a bit of research on the topic is cant seem to find anything, I know this is one of those off the cuff ideas that likely no one worked on yet. If so then I might have to do some happy hacking an figure it out on my own. Till then, Lets see what the general user base has going for ideas?

Here is the code I have. I know it works the way it should I was just wondering if there was a way to automate it / make it so I don't need to enter text and that it outputs to a call to a specific number: